* {
	padding: 0;
	margin: 0;
	font-family: "微软雅黑";
}
.ohd{
	display: none;
}
body {
	position: relative;
	height: 100%;
	overflow-x: hidden;
	max-width: 1920px;
	min-width: 1300px;
	margin: 0 auto;
}

.nav {
	width: 100%;
	height: 100px;
	position: relative;
}

.nav img {
	width: 197px;
	height: 60px;
	display: block;
	position: absolute;
	bottom: 0;
	left: 25%;
}

.nav ul {
	list-style: none;
	display: block;
	width: auto;
	height: auto;
	position: absolute;
	right: 25%;
	bottom: 0;
}

.nav ul li {
	display: block;
	float: left;
	margin-left: 3rem;
}

.nav ul li:first-child a {
	border-bottom: 3px solid #277ec2;
	color: #277EC2;
}

.nav ul li a {
	width: 100%;
	display: block;
	height: 100%;
	text-align: center;
	color: #007AFF;
	text-decoration: none;
	padding: 0.7rem;
	font-size: 20px;
}

.nav ul li a:hover {
	border-bottom: 3px solid #277ec2;
	color: #277EC2;
}

.header {
	width: 100%;
	height: 867px;
	position: relative;
	z-index: 1;
}

.rotation .swiper-container {
	width: 100%;
	height: 767px;
	position: relative;
}

.rotation .swiper-slide {
	width: 100%;
	height: 767px;
	background-size: 1920px 767px;
	background-repeat: no-repeat;
	background-position: center center;
}

.rotation .swiper-slide p {
	font-size: 7rem;
	font-weight: bold;
	letter-spacing: 3px;
	color: white;
	position: absolute;
	top: 58%;
	left: 22%;
}

.rotation .swiper-slide div {
	width: 377px;
	height: 420px;
	position: absolute;
	right: 20%;
	top: 40%;
	color: white;
	text-align: center;
	font-size: 20px;
}

.rotation .swiper-slide div img {
	width: 377px;
	heigth: 377px;
	position: absolute;
	bottom: 0;
	left: 0;
}

@media only screen and (max-width: 1700px) {
	.header {
		height: 779px;
	}
	.rotation .swiper-container {
		height: 679px;
	}
	.rotation .swiper-slide {
		height: 679px;
		background-size: 1700px 679px;
	}
	.rotation .swiper-slide p {
		top: 58%;
		left: 22%;
		font-size: 5.5rem;
	}
	.rotation .swiper-slide div {
		width: 320px;
		height: 373px;
		right: 20%;
		top: 35%;
	}
	.rotation .swiper-slide div img {
		width: 320px;
		heigth: 320px;
	}
}
@media only screen and (max-width: 1400px) {
	.header {
		height: 659px;
	}
	.rotation .swiper-container {
		height: 559px;
	}
	.rotation .swiper-slide {
		height: 559px;
		background-size: 1400px 559px;
	}
	.rotation .swiper-slide p {
		top: 58%;
		left: 22%;
		font-size: 4.5rem;
	}
	.rotation .swiper-slide div {
		width: 270px;
		height: 323px;
		right: 20%;
		top: 35%;
	}
	.rotation .swiper-slide div img {
		width: 270px;
		heigth: 270px;
	}
}
.sRotation {
	width: 100%;
	height: 228px;
	position: relative;
	top: 1rem;
	overflow-x: hidden;
}

.sRotation .swiper-container {
	width: 100%;
	height: 228px;
	position: relative;
}

.sRotation .swiper-slide {
	width: 228px !important;
	height: 228px !important;
	margin-right: 0 !important;
	background-size: 228px 228px;
	background-repeat: no-repeat;
	background-position: center center;
	-webkit-transition: all .3s ease;
	-moz-transition: all .3s ease;
	-o-transition: all .3s ease;
	-ms-transition: all .3s ease;
	transition: all .3s ease;
	transform: rotateY(0deg);
	-webkit-transform: rotateY(0deg);
	/* Safari 和 Chrome */
	-moz-transform: rotateY(0deg);
}

.ewm {
	background: url(../img/ers.png) !important;
	background-size: 180px 180px !important;
	background-repeat: no-repeat !important;
	background-position: center center !important;
	background-color: #2480c3 !important;
	transform: rotateY(180deg) !important;
	-webkit-transform: rotateY(180deg) !important;
	/* Safari 和 Chrome */
	-moz-transform: rotateY(180deg) !important;
}

.footer {
	width: 100%;
	position: relative;
	top: 2rem;
	padding-bottom: 2rem;
	text-align: center;
}

.footer p {
	line-height: 1.5rem;
	color: #c5c4c0;
}